Laboratory Manual For Human Anatomy & Physiology
4th Edition
ISBN: 9781260159363
Author: Martin, Terry R., Prentice-craver, Cynthia
Publisher: McGraw-Hill Publishing Co.
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Textbook Question
Chapter 28, Problem 2PL
The inferior end of the adult spinal cord terminates
a. just inferior to L1.
b. inferiortoL5.
c. in the sacrum.
d. in the coccyx.
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In adults, the spinal cord is not the same length as the vertebral canal, and most of the lumbar part of the spinal cord is within
A. the coccyx.
B. the sacrum.
C. the cervical vertebrae.
D. the thoracic vertebrae.
E. the cauda equina.
The intercostal nerves between the ribs arise from which spinal nerve plexus? a. cervical b. brachial c. lumbar d. sacral e. none of them
The tapered inferior end of the spinal cord is called thea. conus medullaris.b. filum terminale.c. cauda equina.d. posterior root
Chapter 28 Solutions
Laboratory Manual For Human Anatomy & Physiology
Ch. 28 - The ____________ is the most superficial membrane...Ch. 28 - The inferior end of the adult spinal cord...Ch. 28 - Prob. 3PLCh. 28 - Which of the following is not part of the gray...Ch. 28 - The central canal of the spinal cord is located...Ch. 28 - The brachial plexus is formed from components of...Ch. 28 - There are eight pairs of cervical spinal nerves....Ch. 28 - The major ascending (sensory) and descending...Ch. 28 - Match the terms in column A with the descriptions...Ch. 28 - Prob. F28.14A
Ch. 28 - The spinal cord gives rise to 31 pairs...Ch. 28 - The bulge in the spinal cord that gives off nerves...Ch. 28 - The bulge in the spinal cord that gives off nerves...Ch. 28 - The ______________ is a groove that extends the...Ch. 28 - In a spinal cord cross section, the posterior...Ch. 28 - The axons of motor neurons are found in the...Ch. 28 - The _______________ connects the gray matter on...Ch. 28 - The _______ in the gray commissure of the spinal...Ch. 28 - The white matter of the spinal cord is divided...Ch. 28 - There are ______________________ pairs of cervical...Ch. 28 - There are ______________________ pairs of sacral...Ch. 28 - Cervical spinal nerve pair C1 originates between...Ch. 28 - Spinal nerves L4 through S4 form a...Ch. 28 - The gray matter of the spinal cord is divided into...Ch. 28 - The spinal cord ends just inferior to L1 in a...Ch. 28 - Severing the ______________________ nerves of the...Ch. 28 - The inferior and superior gluteal nerves of the...Ch. 28 - To block chronic pain in a patient, sometimes...Ch. 28 - Prob. 4.2ACh. 28 - Injuries to the vertebral column and spinal cord...Ch. 28 - Why are intramuscular injections given in the...Ch. 28 - Prob. 4.2CT
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- Name the structure indicated by the arrow in this longitudinal view of the spinal cordarrow_forwardA collection of spinal nerves that join together after leaving the spinalcord is called aa. ganglion. c. projection nerve.b. nucleus. d. plexus.arrow_forwardWhich of these is not a region of the spinal cord? a. cervical b. thoracic c. pelvic d. lumbar e. sacralarrow_forward
- This is a cross (transverse) section of a spinal cord, stained, as seen under a light microscope at low magnification. Label each of the following on the image.arrow_forwardDescribe the spinal cord according to: A. location B. shape and length C. vertebral levels of upper and lower extremities D. distribution of gray and white matter E. anatomical enlargements F. features at distal end G. attachment of spinal nervesarrow_forwardThe most superior location of the spinal cord (where it connects to the brain) is most closely associated with the A.parietal bone B.cauda equina C.conus medullaris D.foramen magnum E.thoracic vertebraearrow_forward
- Damage to the surface tissue of the spinal cord will most likely affecta. information processing within the spinal cord.b. the stimulation of sensory organs.c. communication between the peripheral nervous system and the brain.d. reflex arcs.arrow_forwardWhich of the following does not describe the spinal nerves? A.They are created through a combination of dorsal and ventral roots. B. They exit the vertebral column through intervertebral spaces. C. Some are made up of only sensory fibers, while others are made up of motor fibers. D. There are thirty-one spinal nerves. They are named based on where they exit the vertebral column.arrow_forwardThe vertebral canal is occupied by a bundle of spinal nerve roots called a. the terminal filum. b.Below L2 the descending tracts. c. the gracile fasciculus. d. the medullary cone. e. the cauda equina.arrow_forward
- A typical spinal nerve: Select one: is protected by the dura, arachnoid and pia mater b. normally divides into four branches that will supply the thoracic region, the abdominal region, the pelvic region and the limbs C. contains one nerve fibre and it's myelin sheath d. is covered by the connective tissue called endomysium e. attaches to the spinal cord via the dorsal and ventral roots O a.arrow_forwardThe _______ serve the skin and musculature of the posterior body trunk at their emergence from the spinal cord; while the ventral rami of spinal nerves pass anteriorly as the __________ to supply the muscles of intercostal spaces, and the skin and muscles of the anterior and lateral trunk. A. dorsal rami, ventral rami B. dorsal rami, intercostal nerves C. dorsal root, ventral root D. nerve plexues, spinal nerves The white matter of spinal cord is bisected by fissures: the more open ventral fissure is called the ventral _____________ and the dorsal one is the shallow dorsal ______________. A. funiculus, horn B. median fissure, median sulcus C. median sulcus, median fissure D. horn, funiculus n gray matter of spinal cord, the central butterfly shaped region, contains dorsal and anterior _____; on both lateral side of the spinal cord, there are the dorsal and ventral ______ for interneurons and sensory fibers that…arrow_forwardWhat region of the spinal cord contains motor neuronsthat direct the movement of skeletal muscles?a. anterior hornb. posterior hornc. lateral hornd. alar platearrow_forward
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